21958800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:681

約数の個数: 120

約数和(自身を含む): 72882240

約数和(自身を除く): 50923440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 29, 30, 40, 48, 50, 58, 60, 75, 80, 87, 100, 116, 120, 145, 150, 174, 200, 232, 240, 290, 300, 348, 400, 435, 464, 580, 600, 631, 696, 725, 870, 1160, 1200, 1262, 1392, 1450, 1740, 1893, 2175, 2320, 2524, 2900, 3155, 3480, 3786, 4350, 5048, 5800, 6310, 6960, 7572, 8700, 9465, 10096, 11600, 12620, 15144, 15775, 17400, 18299, 18930, 25240, 30288, 31550, 34800, 36598, 37860, 47325, 50480, 54897, 63100, 73196, 75720, 91495, 94650, 109794, 126200, 146392, 151440, 182990, 189300, 219588, 252400, 274485, 292784, 365980, 378600, 439176, 457475, 548970, 731960, 757200, 878352, 914950, 1097940, 1372425, 1463920, 1829900, 2195880, 2744850, 3659800, 4391760, 5489700, 7319600, 10979400, 21958800]

約数ペア:

[(1, 21958800), (2, 10979400), (3, 7319600), (4, 5489700), (5, 4391760), (6, 3659800), (8, 2744850), (10, 2195880), (12, 1829900), (15, 1463920), (16, 1372425), (20, 1097940), (24, 914950), (25, 878352), (29, 757200), (30, 731960), (40, 548970), (48, 457475), (50, 439176), (58, 378600), (60, 365980), (75, 292784), (80, 274485), (87, 252400), (100, 219588), (116, 189300), (120, 182990), (145, 151440), (150, 146392), (174, 126200), (200, 109794), (232, 94650), (240, 91495), (290, 75720), (300, 73196), (348, 63100), (400, 54897), (435, 50480), (464, 47325), (580, 37860), (600, 36598), (631, 34800), (696, 31550), (725, 30288), (870, 25240), (1160, 18930), (1200, 18299), (1262, 17400), (1392, 15775), (1450, 15144), (1740, 12620), (1893, 11600), (2175, 10096), (2320, 9465), (2524, 8700), (2900, 7572), (3155, 6960), (3480, 6310), (3786, 5800), (4350, 5048)]